<?php
/**
 * StatusNet, the distributed open-source microblogging tool
 *
 * Dummy action that emulates Twitter's rate limit status API resource
 *
 * PHP version 5
 *
 * LICENCE: This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  API
 * @package   StatusNet
 * @author    Brion Vibber <brion@pobox.com>
 * @author    Evan Prodromou <evan@status.net>
 * @author    Robin Millette <robin@millette.info>
 * @author    Siebrand Mazeland <s.mazeland@xs4all.nl>
 * @author    Zach Copley <zach@status.net>
 * @copyright 2009 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link      http://status.net/
 */

if (!defined('GNUSOCIAL')) {
    exit(1);
}

/**
 * We don't have a rate limit, but some clients check this method.
 * It always returns the same thing: 150 hits left.
 *
 * @category API
 * @package  StatusNet
 * @author   Evan Prodromou <evan@status.net>
 * @author   Robin Millette <robin@millette.info>
 * @author   Zach Copley <zach@status.net>
 * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link     http://status.net/
 */
class ApiAccountRateLimitStatusAction extends ApiBareAuthAction
{
    /**
     * Return true if read only.
     *
     * MAY override
     *
     * @param array $args other arguments
     *
     * @return boolean is read only action?
     */
    public function isReadOnly($args)
    {
        return true;
    }

    /**
     * Handle the request
     *
     * Return some Twitter-ish data about API limits
     *
     * @return void
     * @throws ClientException
     */
    protected function handle()
    {
        parent::handle();

        if (!in_array($this->format, ['xml', 'json'])) {
            $this->clientError(
            // TRANS: Client error displayed when coming across a non-supported API method.
                _('API method not found.'),
                404,
                $this->format
            );
        }

        $reset = new DateTime();
        $reset->modify('+1 hour');

        $this->initDocument($this->format);

        if ($this->format == 'xml') {
            $this->elementStart('hash');
            $this->element('remaining-hits', ['type' => 'integer'], "150");
            $this->element('hourly-limit', ['type' => 'integer'], "150");
            $this->element(
                'reset-time',
                ['type' => 'datetime'],
                common_date_iso8601($reset->format('r'))
            );
            $this->element(
                'reset_time_in_seconds',
                ['type' => 'integer'],
                strtotime('+1 hour')
            );
            $this->elementEnd('hash');
        } elseif ($this->format == 'json') {
            $out = [
                'reset_time_in_seconds' => strtotime('+1 hour'),
                'remaining_hits' => 150,
                'hourly_limit' => 150,
                'reset_time' => common_date_rfc2822(
                    $reset->format('r')
                )
            ];
            print json_encode($out);
        }

        $this->endDocument($this->format);
    }
}
